:root{--navy: oklch(18% .015 240);--navy-dark: oklch(15% .015 240);--navy-border: oklch(30% .02 235);--bg: oklch(98% .005 90);--bg-cream: oklch(93% .02 90);--card: oklch(99% .003 90);--gold: oklch(74% .11 85);--gold-text: oklch(45% .09 85);--gold-dark: oklch(28% .06 85);--gold-tint: oklch(93% .04 85 / .5);--gold-tint-45: oklch(93% .04 85 / .45);--teal: oklch(58% .09 195);--teal-text: oklch(40% .08 195);--teal-deep: oklch(35% .05 195);--heading: oklch(20% .015 240);--heading-strong: oklch(30% .015 240);--body: oklch(46% .02 235);--muted: oklch(55% .02 235);--on-dark-title: oklch(97% .01 90);--on-dark-body: oklch(75% .02 220);--on-dark-link: oklch(85% .015 220);--on-dark-faint: oklch(55% .015 220);--border-soft: rgba(0, 0, 0, .08);--border-mid: rgba(0, 0, 0, .15);--border-faint: rgba(0, 0, 0, .06);--nav-height: 88px;--maxw: 1160px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Vazirmatn,sans-serif;background:var(--bg);color:var(--body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,p{margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font-family:inherit}img{max-width:100%;display:block}.ltr-num{direction:ltr;unicode-bidi:isolate}ul{margin:0;padding-right:20px}section[id],div[id^=hero],div[id^=solution],div[id^=features],div[id^=guide],div[id^=cert],div[id^=gallery],div[id^=contact]{scroll-margin-top:var(--nav-height)}.section{padding:110px 64px}.section--cream{background:var(--bg-cream)}.container{max-width:var(--maxw);margin:0 auto}.section-title{font-size:clamp(22px,3.5vw,38px);font-weight:700;color:var(--heading);margin:0 0 20px;text-align:center}.section-intro{font-size:16px;line-height:2.1;color:var(--body);max-width:720px;margin:0 auto 70px;text-align:center}.pill{display:inline-block;padding:15px 36px;border-radius:999px;font-weight:600;font-size:16px;cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease,opacity .15s ease}.pill--gold-outline{background:transparent;border:1.5px solid var(--gold);color:var(--gold)}.pill--gold-outline:hover{background:var(--gold-tint);color:var(--gold-text)}.pill--teal-fill{background:#238b8b40;color:var(--on-dark-title);border:1.5px solid transparent}.pill--teal-fill:hover{background:#238b8b66}.nav{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:0 64px;height:var(--nav-height);background:var(--navy)}.nav__brand{display:flex;align-items:baseline;gap:10px}.nav__logo{font-size:23px;font-weight:700;color:var(--on-dark-title);letter-spacing:.5px}.nav__sub{font-size:12px;color:var(--on-dark-body)}.nav__links{display:flex;align-items:center;gap:36px;font-size:14px;color:var(--on-dark-link)}.nav__links a:not(.nav__cta):hover{color:var(--on-dark-title)}.nav__cta{padding:9px 24px;border-radius:999px;border:1.5px solid var(--gold);color:var(--gold);font-weight:600;transition:background .18s ease,color .18s ease}.nav__cta:hover{background:var(--gold);color:var(--navy)}.nav__burger{display:none;background:transparent;border:none;color:var(--on-dark-title);font-size:26px;cursor:pointer;padding:4px 8px;line-height:1}.nav__mobile{position:sticky;top:var(--nav-height);z-index:39;display:none;flex-direction:column;gap:4px;padding:14px 20px 20px;background:var(--navy-dark)}.nav__mobile.open{display:flex}.nav__mobile a{padding:12px 6px;font-size:15px;color:var(--on-dark-link);border-bottom:1px solid oklch(30% .02 235 / .6)}.nav__mobile .nav__mobile-cta{margin-top:12px;text-align:center;padding:13px 24px;border-radius:999px;background:var(--gold);color:var(--navy);font-weight:700;border-bottom:none}.hero{position:relative;background:linear-gradient(180deg,#060c11d1,#0c1318f0),url(/hero-bg.jpg) center / cover no-repeat;padding:150px 40px 0;text-align:center;overflow:hidden}.hero__halo{position:absolute;border-radius:50%;filter:blur(50px);pointer-events:none}.hero__halo--teal{bottom:-60px;left:-180px;width:900px;height:420px;background:radial-gradient(closest-side,oklch(58% .09 195 / .55),transparent 70%)}.hero__halo--gold{bottom:-70px;left:-260px;width:600px;height:360px;background:radial-gradient(closest-side,oklch(74% .11 85 / .5),transparent 70%)}.hero__inner{max-width:720px;margin:0 auto;position:relative;z-index:2}.hero__eyebrow{font-size:14px;letter-spacing:2px;color:#7aa9a8;margin-bottom:30px}.hero__title{font-size:clamp(38px,6vw,82px);font-weight:700;color:var(--on-dark-title);margin:0 0 22px;line-height:1.08;letter-spacing:1px}.hero__subhead{font-size:clamp(15.5px,1.8vw,23px);font-weight:500;color:var(--gold);margin:0 0 30px}.hero__body{font-size:clamp(13px,1.4vw,16.5px);line-height:2.1;color:var(--on-dark-body);max-width:580px;margin:0 auto 46px}.hero__actions{display:flex;gap:18px;justify-content:center;margin-bottom:100px;flex-wrap:wrap}.trust{background:var(--bg);padding:26px 64px;display:flex;gap:36px;justify-content:center;flex-wrap:wrap;font-size:13.5px;color:var(--body);border-bottom:1px solid var(--border-faint)}.solution__grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}.compare-card{border-radius:28px;padding:44px}.compare-card--outline{border:1px solid var(--border-soft)}.compare-card--gold{background:var(--gold-tint)}.compare-card__label{font-size:13px;font-weight:600;margin-bottom:16px}.compare-card--outline .compare-card__label{color:var(--body)}.compare-card--gold .compare-card__label{color:var(--gold-text)}.compare-card ul{color:var(--heading-strong);font-size:15px;line-height:2.3;list-style:disc}.compare-card--gold ul{color:var(--gold-dark)}.solution__image{margin-top:36px;border-radius:28px;overflow:hidden}.placeholder-stripe{display:flex;align-items:center;justify-content:center;padding:12px;text-align:center}.placeholder-stripe--teal{background-image:repeating-linear-gradient(135deg,#c8e5e4,#c8e5e4 14px,#ddf0ef 14px,#ddf0ef 28px)}.placeholder-stripe--gold{background-image:repeating-linear-gradient(135deg,#f4e6ca,#f4e6ca 14px,#f8f1e3 14px,#f8f1e3 28px)}.placeholder-stripe__caption{font-family:ui-monospace,Menlo,monospace;font-size:13px;background:#fcfcf9cc;padding:8px 18px;border-radius:999px}.solution__image .placeholder-stripe{height:300px}.solution__image .placeholder-stripe__caption{color:var(--teal-deep)}.features__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px}.feature__num{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:20px}.feature__num--gold{border:1.5px solid var(--gold);color:var(--gold-text)}.feature__num--teal{border:1.5px solid var(--teal);color:var(--teal-text)}.feature__title{font-weight:700;font-size:clamp(14px,1.5vw,17px);color:var(--heading);margin-bottom:10px}.feature__desc{font-size:clamp(12.5px,1.2vw,14px);line-height:2.1;color:var(--body)}.guide__steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:56px}.step-card{background:var(--card);border-radius:24px;padding:32px}.step-card__num{font-size:13px;color:var(--gold-text);font-weight:700;margin-bottom:12px}.step-card__title{font-weight:700;font-size:16px;color:var(--heading);margin-bottom:10px}.step-card__desc{font-size:13.5px;line-height:2;color:var(--body)}.specs{background:var(--card);border-radius:24px;padding:40px 44px}.specs__title{font-size:15px;font-weight:700;color:var(--gold-text);margin-bottom:22px}.specs__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;font-size:14px;color:var(--heading-strong)}.specs__grid .astm{color:var(--muted)}.cert__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}.cert__item{text-align:center;background:var(--card);border:1px solid var(--border-soft);border-radius:20px;padding:28px 14px 24px;box-shadow:0 2px 10px #0000000a;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.cert__item:hover{transform:translateY(-4px);box-shadow:0 10px 26px #00000017;border-color:var(--gold)}.cert__badge{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 16px}.cert__badge--gold{border:1.5px solid var(--gold);color:var(--gold-text);background:#f4e6ca59}.cert__badge--teal{border:1.5px solid var(--teal);color:var(--teal-text);background:#c8e5e459}.cert__caption{font-size:12.5px;color:var(--heading-strong);line-height:1.7}.gallery__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.gallery__item{border-radius:24px;overflow:hidden;cursor:pointer;transition:opacity .15s ease}.gallery__item:hover{opacity:.82}.gallery__item .placeholder-stripe{height:210px}.gallery__item .placeholder-stripe__caption{background:none;padding:0;font-size:11.5px}.lightbox__overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#030609b3;display:flex;align-items:center;justify-content:center;z-index:60;padding:40px}.lightbox__card{position:relative;width:min(900px,92vw);background:var(--bg);border-radius:28px;overflow:hidden;box-shadow:0 30px 90px #00000059}.lightbox__close{position:absolute;top:20px;left:20px;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--gold);background:var(--bg);color:var(--gold-text);font-size:17px;cursor:pointer;z-index:2}.lightbox__image{height:480px}.lightbox__image .placeholder-stripe__caption{font-size:14px;background:#fcfcf9d9;padding:10px 22px}.lightbox__bar{display:flex;align-items:center;justify-content:space-between;padding:26px 32px;gap:12px}.lightbox__nav{padding:11px 26px;border-radius:999px;border:1.5px solid var(--gold);background:transparent;color:var(--gold-text);font-size:14px;cursor:pointer;transition:background .18s ease}.lightbox__nav:hover{background:var(--gold-tint)}.lightbox__counter{font-size:14px;font-weight:600;color:var(--heading);text-align:center}.cta{padding:80px 64px;background:var(--navy);text-align:center;position:relative;overflow:hidden}.cta__halo{position:absolute;top:-100px;left:50%;transform:translate(-50%);width:700px;height:300px;border-radius:50%;background:radial-gradient(closest-side,oklch(58% .09 195 / .4),transparent 70%);filter:blur(50px);pointer-events:none}.cta__inner{position:relative;z-index:2}.cta__title{font-size:clamp(20px,3vw,28px);font-weight:700;color:var(--on-dark-title);margin-bottom:16px}.cta__desc{font-size:15px;color:var(--on-dark-body);margin-bottom:32px}.cta .pill--gold-outline:hover{background:#cba55324;color:var(--gold)}.contact__grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:36px}.contact__form-card{border:1px solid var(--border-soft);border-radius:28px;padding:48px}.contact__form-title{font-size:clamp(22px,2.6vw,29px);font-weight:700;color:var(--heading);margin:0 0 10px}.contact__form-desc{font-size:14px;color:var(--body);margin:0 0 30px}.contact__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.field{width:100%;padding:14px 18px;border-radius:999px;border:1px solid var(--border-mid);font-size:14px;color:var(--heading);background:#fff}.field--area{border-radius:20px;resize:none;margin-bottom:22px}.field:focus{outline:none;border-color:var(--gold)}.field--error{border-color:#c74b47}.contact__submit{padding:15px 40px;border-radius:999px;border:1.5px solid var(--gold);background:transparent;color:var(--gold-text);font-weight:700;font-size:15px;cursor:pointer;transition:background .18s ease}.contact__submit:hover{background:var(--gold-tint)}.contact__success{margin-top:20px;padding:14px 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var(--navy-border)}.footer__brand-title{font-size:22px;font-weight:700;color:var(--on-dark-title);margin-bottom:14px}.footer__brand-desc{font-size:13.5px;line-height:2.1;max-width:280px}.footer__col-title{font-size:14px;font-weight:700;color:var(--on-dark-title);margin-bottom:16px}.footer__links{display:flex;flex-direction:column;gap:11px;font-size:13.5px}.footer__links a:hover{color:var(--on-dark-title)}.footer__copy{max-width:var(--maxw);margin:0 auto;padding-top:24px;font-size:12.5px;text-align:center;color:var(--on-dark-faint)}@media(max-width:900px){:root{--nav-height: 72px}.section{padding:64px 32px}.nav{padding:0 28px}.nav__logo{font-size:20px}.nav__links{gap:20px;font-size:12.5px}.hero{padding:90px 28px 0}.hero__body{max-width:460px}.hero__actions{margin-bottom:70px}.trust{padding:22px 32px;gap:22px}.features__grid,.guide__steps{grid-template-columns:repeat(2,1fr)}.cert__grid{grid-template-columns:repeat(3,1fr)}.gallery__grid{grid-template-columns:repeat(2,1fr)}.contact__grid{grid-template-columns:1fr}.footer{padding:56px 32px 28px}.footer__grid,.specs__grid{grid-template-columns:repeat(2,1fr)}.lightbox__card{width:min(700px,92vw)}.lightbox__image{height:340px}}@media(max-width:560px){.section{padding:44px 20px}.nav{padding:0 20px}.nav__sub,.nav__links{display:none}.nav__burger{display:block}.hero{padding:36px 20px 0}.hero__actions{flex-direction:column;margin-bottom:50px}.hero__actions .pill{width:100%;text-align:center}.solution__grid{grid-template-columns:1fr}.compare-card{padding:32px}.features__grid,.guide__steps{grid-template-columns:1fr}.cert__grid,.gallery__grid{grid-template-columns:repeat(2,1fr)}.specs{padding:32px 24px}.specs__grid{grid-template-columns:1fr}.contact__form-card,.contact__info-card{padding:32px 24px}.contact__row{grid-template-columns:1fr}.footer{padding:44px 20px 26px}.footer__grid{grid-template-columns:1fr;gap:28px}.cta{padding:56px 24px}.lightbox__overlay{padding:20px}.lightbox__card{width:min(340px,92vw)}.lightbox__image{height:220px}.lightbox__nav{padding:9px 18px;font-size:13px}}